Appert’s and durand’s methods of preserving food people waste less food. however, durand’s tin can was tougher than glass. it made food more transportable because there wasn’t the fear of breaking of jars. later on, aluminum cans were developed because they did not rust and were lighter. they, now, popularly hold beverages. which of the following best summarizes the fourth paragraph? question 1 options: after many years of experimentation, nicolas appert and peter durand worked out techniques together that people stop wasting food needlessly. durand's tin-can preservation method made the transportation of food easier because of the tin's durability, and it also develop the aluminum can. durand's tin cans were tougher than appert's glass jars, and therefore, they were easier to carry and transport for many food companies. in many cases, aluminum cans held different kinds of beverages because they were considered to be lighter than tin and did not rust easily.

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the miracle worker themeswilliam gibson

themes and meanings

(comprehensive guide to drama)

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there are two central themes in  the miracle worker: that the human spirit can triumph over even the most daunting of disabilities and that a dedicated teacher can transform the lives of those with whom he or she comes into contact. these inspirational themes have long been personified in the widely known true-life relationship between helen keller and annie sullivan, but  the miracle worker  also dramatizes collateral issues that extend beyond the particular case. underlying helen’s process of learning basic principles of what annie terms “obedience” (decorum, etiquette, and hygiene), there are more universal lessons of self-governance—the inculcation of self-restraint instead of willfulness, the development of self-discipline instead of self-indulgence. only when these lessons have been mastered can helen begin to acquire language—which, annie says, “is to the mind more than light is to the eye.”